Countless souls made pacts with demons in order to realize their desires -- typically sacrificing themselves in the process. But Koshi was different. He succeeded in sealing a demon inside of himself, allowing him to summon it at will and wield its powers as he chose. Nothing in the world could frighten him.
- Added on Fabruary 3, 2014 as a part of Realm of Survival 10 Card Pack. Defeat the boss or use a 50% UR Koshi ticket.
- Rereleased on August 6, 2014 in the Alchemy 4 Card Pack.
Koshi (Koshe, Koshee, Koshey, Koshie) is a variant of masculine name Koshy of English-American origin. The meaning of the name is "a lighthearted man".